The following table summarizes information about the "System Services Port" section of this article. This table is sorted by port numbers (rather than by service name). Port Protocol Application Protocol System Service Name
No GRE (IP Protocol 47) Route and Remote Access
No ESP IPSec ESP (IP Protocol 50) Roution and Remote Access
No AH IPsec AH (IP Protocol 51) Route and Remote Access
7 TCP ECHO simple TCP / IP service
7 UDP ECHO simple TCP / IP service
9 TCP Discard Simple TCP / IP Service
9 UDP Discard Simple TCP / IP Service
13 TCP DayTime Simple TCP / IP Service
13 UDP DayTime Simple TCP / IP Service
17 TCP Quotd Simple TCP / IP Service
17 UDP Quotd Simple TCP / IP Service
19 TCP Chargen Simple TCP / IP Service
19 UDP Chargen Simple TCP / IP Service
20 TCP FTP Default Data FTP Publish Service
21 TCP FTP Control FTP Publishing Service
21 TCP FTP Control Application Layer Gateway Service
23 TCP Telnet Telnet
25 TCP SMTP Simple Mail Transfer Protocol
25 UDP SMTP Simple Mail Transfer Protocol
25 TCP SMTP Exchange Server
25 UDP SMTP Exchange Server
42 TCP WINS Copying Windows Internet Name Service
42 UDP WINS Copying Windows Internet Name Service
53 TCP DNS DNS Server
53 UDP DNS DNS Server
53 TCP DNS Internet Connection Firewall / Internet Connection Sharing
53 UDP DNS Internet Connection Firewall / Internet Connection Sharing
67 UDP DHCP Server DHCP Server
67 UDP DHCP Server Internet Connection Firewall / Internet Connection Sharing
69 UDP TFTP Ordinary FTP Backstage Program Service
80 TCP HTTP Windows Media Services
80 TCP HTTP World Wide Web Release Service
80 TCP HTTP SharePoint Portal Server
88 TCP Kerberos Kerberos Key Distribution Center
88 UDP Kerberos Kerberos Key Distribution Center
102 TCP X.400 Microsoft Exchange MTA Stack
110 TCP POP3 Microsoft POP3 Services
110 TCP POP3 Exchange Server
119 TCP NNTP Network News Transport Agreement
123 UDP NTP Windows Time
123 UDP SNTP Windows Time
135 TCP RPC Message Queue
135 TCP RPC Remote Process Call
135 TCP RPC Exchange Server
137 TCP NetBIOS Name Resolution Computer Browser
137 UDP NetBIOS Name Resolution Computer Browser
137 TCP NetBIOS Name Resolution Server
137 UDP NetBIOS Name Resolution Server
137 TCP NetBIOS Name Resolution Windows Internet Name Service
137 UDP NetBIOS Name Resolution Windows Internet Name Service
137 TCP NetBIOS Name Resolution Net Logon
137 UDP NetBIOS Name Resolution Net Logon
137 TCP NetBIOS Name Analysis Systems Management Server 2.0
137 UDP NetBIOS Name Resolution Systems Management Server 2.0
138 UDP NetBIOS Datashers Computer Browser
138 UDP NetBIOS Data News Service Letter
138 UDP NetBIOS Datashers Server Server
138 UDP NetBIOS Datashers NET LOGON
138 UDP NetBIOS Datashers Distributed File System
138 UDP NetBIOS Datashers Systems Management Server 2.0
138 UDP NetBIOS Datashers Service License Record Service
139 TCP NetBIOS Session Service Computer Browser
139 TCP NetBIOS Session Service Fax Service
139 TCP NetBIOS Session Services Performance Logs and Alerts
139 TCP NetBIOS Session Service Background Print Program
139 TCP NetBIOS Session Service Server
139 TCP NetBIOS Session Service NET Logon
139 TCP NetBIOS Session Service Remote Process Call Locator
139 TCP NetBIOS Session Service Distributed File System
139 TCP NetBIOS Session Services Systems Management Server 2.0
139 TCP NetBIOS Session Service License Record Service
143 TCP IMAP Exchange Server
161 UDP SNMP SNMP Service
162 UDP SNMP Trap Exit SNMP Trap Service
389 TCP LDAP Server Local Security
389 UDP LDAP Server Local Security
389 TCP LDAP server distributed file system
389 UDP LDAP server distributed file system
443 TCP HTTPS HTTP SSL
443 TCP HTTPS World Wide Web Release Service
443 TCP HTTPS SharePoint Portal Server
445 TCP SMB Fax Service
445 UDP SMB Fax Service
445 TCP SMB Background Printing Program
445 UDP SMB Background Printing Program
445 TCP SMB server
445 UDP SMB server
445 TCP SMB Remote Process Call Locator
445 UDP SMB Remote Process Call Locator
445 TCP SMB Distributed File System
445 UDP SMB Distributed File System
445 TCP SMB License Recording Service
445 UDP SMB License Recording Service
500 UDP IPSec Isakmp IPSec Service
515 TCP LPD TCP / IP Print Server
548 TCP Macintosh File Server Macintosh File Server
554 TCP RTSP Windows Media Services
563 TCP NNTP over SSL Network News Transfer Protocol
593 TCP RPC over HTTP remote process call
593 TCP RPC over HTTP Exchange Server
636 TCP LDAP SSL Local Security Agency
636 UDP LDAP SSL local security agency
993 TCP IMAP over SSL Exchange Server
995 TCP POP3 over SSL Exchange Server
1270 TCP MOM-Encrypted Microsoft Operations Manager 2000
1433 TCP SQL OVER TCP Microsoft SQL Server
1433 TCP SQL OVER TCP MSSQL $ UDDI
1434 UDP SQL Probe Microsoft SQL Server
1434 UDP SQL PROBE MSSQL $ UDDI
1645 UDP Old Radius Internet Authentication Service
1646 UDP Old Radius Internet Authentication Service
1701 UDP L2TP Routing and Remote Access
1723 TCP PPTP Routing and Remote Access
1755 TCP MMS Windows Media Services 1755 UDP MMS Windows Media Services
1801 TCP MSMQ Message Queue
1801 UDP MSMQ Message Queue
1812 UDP RADIUS Authentication Internet Authentication Service
1813 UDP RADIUS Account Internet Authentication Service
1900 UDP SSDP SSDP Discovery Services
2101 TCP MSMQ-DC Message Queue
2103 TCP MSMQ-RPC Message Queue
2105 TCP MSMQ-RPC Message Queue
2107 TCP MSMQ-MGMT Message Queue
2393 TCP OLAP SERVICES 7.0 SQL Server: Lower OLAP Client Support
2394 TCP OLAP Services 7.0 SQL Server: Lower OLAP Client Support
2460 UDP MS Theater Windows Media Services
2535 UDP MADCAP DHCP Server
2701 TCP SMS Remote Control (Control) SMS Remote Control Agent
2701 UDP SMS Remote Control (Control) SMS Remote Control Agent
2702 TCP SMS Remote Control (Data) SMS Remote Control Agent
2702 UDP SMS Remote Control (Data) SMS Remote Control Agent
2703 TCP SMS Remote Chat SMS Remote Control Agent
2703 UPD SMS Remote Chat SMS Remote Control Agent
2704 TCP SMS Remote File Transfer SMS Remote Control Agent
2704 UDP SMS Remote File Transfer SMS Remote Control Agent
2725 TCP SQL Analysis Service SQL Analysis Server
2869 TCP UPNP Universal Plug and Play Device Host
2869 TCP SSDP Event Notification SSDP Discovery Services
3268 TCP global catalog server local security agency
3269 TCP global catalog server local security agency
3343 UDP Cluster Service Cluster Service
3389 TCP Terminal Services NetMeeting Remote Desktop Sharing
3389 TCP Terminal Services Terminal Services
3527 UDP MSMQ-PING Message Queue
4011 UDP BINL Remote Installation
4500 UDP NAT-T Rover and Remote Access
5000 TCP SSDP Old Event Notification SSDP Discovery Service
5004 UDP RTP Windows Media Services
5005 UDP RTCP Windows Media Services
42424 TCP ASP.NET Session Status ASP.NET Status Service
51515 TCP MOM-CLEAR Microsoft Operations Manager 2000
